/*
* Receive just one bit via the I2C bus.
*
* Note: Clock must be set to LOW before calling this function.
*
* Returns The received bit.
*/
int SkI2cRcvBit(
SK_IOC IoC) /* I/O Context */
{
int Bit;
SK_U8 I2cSwCtrl;
/* Init data as input line */
I2C_DATA_IN(IoC);
SkDgWaitTime(IoC, NS2BCLK(T_CLK_2_DATA_OUT));
I2C_CLK_HIGH(IoC);
SkDgWaitTime(IoC, NS2BCLK(T_CLK_HIGH));
SK_I2C_GET_SW(IoC, &I2cSwCtrl);
if (I2cSwCtrl & I2C_DATA) {
Bit = 1;
} else {
Bit = 0;
}
I2C_CLK_LOW(IoC);
SkDgWaitTime(IoC, NS2BCLK(T_CLK_LOW-T_CLK_2_DATA_OUT));
return(Bit);
} /* SkI2cRcvBit */
/*
* Do the init state 1 initialization
*
* initialize the following register of the LM80:
* Configuration register:
* - START, noINT, activeLOW, noINT#Clear, noRESET, noCI, noGPO#, noINIT
*
* Interrupt Mask Register 1:
* - all interrupts are Disabled (0xff)
*
* Interrupt Mask Register 2:
* - all interrupts are Disabled (0xff) Interrupt modi doesn't matter.
*
* Fan Divisor/RST_OUT register:
* - Divisors set to 1 (bits 00), all others 0s.
*
* OS# Configuration/Temperature resolution Register:
* - all 0s
*
*/
static int SkI2cInit1(
SK_AC *pAC, /* Adapter Context */
SK_IOC IoC) /* I/O Context */
{
int i;
SK_U8 I2cSwCtrl;
SK_GEPORT *pPrt; /* GIni Port struct pointer */
if (pAC->I2c.InitLevel != SK_INIT_DATA) {
/* ReInit not needed in I2C module */
return(0);
}
/* Set the Direction of I2C-Data Pin to IN */
SK_I2C_CLR_BIT(IoC, I2C_DATA_DIR | I2C_DATA);
/* Check for 32-Bit Yukon with Low at I2C-Data Pin */
SK_I2C_GET_SW(IoC, &I2cSwCtrl);
if ((I2cSwCtrl & I2C_DATA) == 0) {
/* this is a 32-Bit board */
pAC->GIni.GIYukon32Bit = SK_TRUE;
return(0);
}
/* Check for 64 Bit Yukon without sensors */
if (SkI2cWrite(pAC, IoC, 0, LM80_ADDR, I2C_025K_DEV, LM80_CFG, 0) != 0) {
return(0);
}
(void)SkI2cWrite(pAC, IoC, 0xffUL, LM80_ADDR, I2C_025K_DEV, LM80_IMSK_1, 0);
(void)SkI2cWrite(pAC, IoC, 0xffUL, LM80_ADDR, I2C_025K_DEV, LM80_IMSK_2, 0);
(void)SkI2cWrite(pAC, IoC, 0, LM80_ADDR, I2C_025K_DEV, LM80_FAN_CTRL, 0);
(void)SkI2cWrite(pAC, IoC, 0, LM80_ADDR, I2C_025K_DEV, LM80_TEMP_CTRL, 0);
(void)SkI2cWrite(pAC, IoC, (SK_U32)LM80_CFG_START, LM80_ADDR, I2C_025K_DEV,
LM80_CFG, 0);
/*
* MaxSens has to be updated here, because PhyType is not
* set when performing Init Level 0
*/
pAC->I2c.MaxSens = 5;
pPrt = &pAC->GIni.GP[0];
if (pAC->GIni.GIGenesis) {
if (pPrt->PhyType == SK_PHY_BCOM) {
if (pAC->GIni.GIMacsFound == 1) {
pAC->I2c.MaxSens += 1;
}
else {
pAC->I2c.MaxSens += 3;
}
}
}
else {
pAC->I2c.MaxSens += 3;
}
for (i = 0; i < pAC->I2c.MaxSens; i++) {
switch (i) {
case 0:
pAC->I2c.SenTable[i].SenDesc = "Temperature";
pAC->I2c.SenTable[i].SenType = SK_SEN_TEMP;
pAC->I2c.SenTable[i].SenThreErrHigh = SK_SEN_TEMP_HIGH_ERR;
pAC->I2c.SenTable[i].SenThreWarnHigh = SK_SEN_TEMP_HIGH_WARN;
pAC->I2c.SenTable[i].SenThreWarnLow = SK_SEN_TEMP_LOW_WARN;
pAC->I2c.SenTable[i].SenThreErrLow = SK_SEN_TEMP_LOW_ERR;
pAC->I2c.SenTable[i].SenReg = LM80_TEMP_IN;
break;
case 1:
pAC->I2c.SenTable[i].SenDesc = "Voltage PCI";
pAC->I2c.SenTable[i].SenType = SK_SEN_VOLT;
pAC->I2c.SenTable[i].SenThreErrHigh = SK_SEN_PCI_5V_HIGH_ERR;
pAC->I2c.SenTable[i].SenThreWarnHigh = SK_SEN_PCI_5V_HIGH_WARN;
pAC->I2c.SenTable[i].SenThreWarnLow = SK_SEN_PCI_5V_LOW_WARN;
pAC->I2c.SenTable[i].SenThreErrLow = SK_SEN_PCI_5V_LOW_ERR;
pAC->I2c.SenTable[i].SenReg = LM80_VT0_IN;
break;
case 2:
pAC->I2c.SenTable[i].SenDesc = "Voltage PCI-IO";
pAC->I2c.SenTable[i].SenType = SK_SEN_VOLT;
pAC->I2c.SenTable[i].SenThreErrHigh = SK_SEN_PCI_IO_5V_HIGH_ERR;
pAC->I2c.SenTable[i].SenThreWarnHigh = SK_SEN_PCI_IO_5V_HIGH_WARN;
pAC->I2c.SenTable[i].SenThreWarnLow = SK_SEN_PCI_IO_3V3_LOW_WARN;
pAC->I2c.SenTable[i].SenThreErrLow = SK_SEN_PCI_IO_3V3_LOW_ERR;
pAC->I2c.SenTable[i].SenReg = LM80_VT1_IN;
pAC->I2c.SenTable[i].SenInit = SK_SEN_DYN_INIT_PCI_IO;
break;
case 3:
pAC->I2c.SenTable[i].SenDesc = "Voltage ASIC";
pAC->I2c.SenTable[i].SenType = SK_SEN_VOLT;
pAC->I2c.SenTable[i].SenThreErrHigh = SK_SEN_VDD_HIGH_ERR;
pAC->I2c.SenTable[i].SenThreWarnHigh = SK_SEN_VDD_HIGH_WARN;
pAC->I2c.SenTable[i].SenThreWarnLow = SK_SEN_VDD_LOW_WARN;
pAC->I2c.SenTable[i].SenThreErrLow = SK_SEN_VDD_LOW_ERR;
pAC->I2c.SenTable[i].SenReg = LM80_VT2_IN;
break;
case 4:
if (pAC->GIni.GIGenesis) {
if (pPrt->PhyType == SK_PHY_BCOM) {
pAC->I2c.SenTable[i].SenDesc = "Voltage PHY A PLL";
pAC->I2c.SenTable[i].SenThreErrHigh = SK_SEN_PLL_3V3_HIGH_ERR;
pAC->I2c.SenTable[i].SenThreWarnHigh = SK_SEN_PLL_3V3_HIGH_WARN;
pAC->I2c.SenTable[i].SenThreWarnLow = SK_SEN_PLL_3V3_LOW_WARN;
pAC->I2c.SenTable[i].SenThreErrLow = SK_SEN_PLL_3V3_LOW_ERR;
}
else {
pAC->I2c.SenTable[i].SenDesc = "Voltage PMA";
pAC->I2c.SenTable[i].SenThreErrHigh = SK_SEN_PLL_3V3_HIGH_ERR;
pAC->I2c.SenTable[i].SenThreWarnHigh = SK_SEN_PLL_3V3_HIGH_WARN;
pAC->I2c.SenTable[i].SenThreWarnLow = SK_SEN_PLL_3V3_LOW_WARN;
pAC->I2c.SenTable[i].SenThreErrLow = SK_SEN_PLL_3V3_LOW_ERR;
}
}
else {
pAC->I2c.SenTable[i].SenDesc = "Voltage VAUX";
pAC->I2c.SenTable[i].SenThreErrHigh = SK_SEN_VAUX_3V3_HIGH_ERR;
pAC->I2c.SenTable[i].SenThreWarnHigh = SK_SEN_VAUX_3V3_HIGH_WARN;
if (pAC->GIni.GIVauxAvail) {
pAC->I2c.SenTable[i].SenThreWarnLow = SK_SEN_VAUX_3V3_LOW_WARN;
pAC->I2c.SenTable[i].SenThreErrLow = SK_SEN_VAUX_3V3_LOW_ERR;
}
else {
pAC->I2c.SenTable[i].SenThreErrLow = SK_SEN_VAUX_0V_WARN_ERR;
pAC->I2c.SenTable[i].SenThreWarnLow = SK_SEN_VAUX_0V_WARN_ERR;
}
}
pAC->I2c.SenTable[i].SenType = SK_SEN_VOLT;
pAC->I2c.SenTable[i].SenReg = LM80_VT3_IN;
break;
case 5:
if (pAC->GIni.GIGenesis) {
pAC->I2c.SenTable[i].SenDesc = "Voltage PHY 2V5";
pAC->I2c.SenTable[i].SenThreErrHigh = SK_SEN_PHY_2V5_HIGH_ERR;
pAC->I2c.SenTable[i].SenThreWarnHigh = SK_SEN_PHY_2V5_HIGH_WARN;
pAC->I2c.SenTable[i].SenThreWarnLow = SK_SEN_PHY_2V5_LOW_WARN;
pAC->I2c.SenTable[i].SenThreErrLow = SK_SEN_PHY_2V5_LOW_ERR;
}
else {
pAC->I2c.SenTable[i].SenDesc = "Voltage Core 1V5";
pAC->I2c.SenTable[i].SenThreErrHigh = SK_SEN_CORE_1V5_HIGH_ERR;
pAC->I2c.SenTable[i].SenThreWarnHigh = SK_SEN_CORE_1V5_HIGH_WARN;
pAC->I2c.SenTable[i].SenThreWarnLow = SK_SEN_CORE_1V5_LOW_WARN;
pAC->I2c.SenTable[i].SenThreErrLow = SK_SEN_CORE_1V5_LOW_ERR;
}
pAC->I2c.SenTable[i].SenType = SK_SEN_VOLT;
pAC->I2c.SenTable[i].SenReg = LM80_VT4_IN;
break;
case 6:
if (pAC->GIni.GIGenesis) {
pAC->I2c.SenTable[i].SenDesc = "Voltage PHY B PLL";
}
else {
pAC->I2c.SenTable[i].SenDesc = "Voltage PHY 3V3";
}
pAC->I2c.SenTable[i].SenType = SK_SEN_VOLT;
pAC->I2c.SenTable[i].SenThreErrHigh = SK_SEN_PLL_3V3_HIGH_ERR;
pAC->I2c.SenTable[i].SenThreWarnHigh = SK_SEN_PLL_3V3_HIGH_WARN;
pAC->I2c.SenTable[i].SenThreWarnLow = SK_SEN_PLL_3V3_LOW_WARN;
pAC->I2c.SenTable[i].SenThreErrLow = SK_SEN_PLL_3V3_LOW_ERR;
pAC->I2c.SenTable[i].SenReg = LM80_VT5_IN;
break;
case 7:
if (pAC->GIni.GIGenesis) {
pAC->I2c.SenTable[i].SenDesc = "Speed Fan";
pAC->I2c.SenTable[i].SenType = SK_SEN_FAN;
pAC->I2c.SenTable[i].SenThreErrHigh = SK_SEN_FAN_HIGH_ERR;
pAC->I2c.SenTable[i].SenThreWarnHigh = SK_SEN_FAN_HIGH_WARN;
pAC->I2c.SenTable[i].SenThreWarnLow = SK_SEN_FAN_LOW_WARN;
pAC->I2c.SenTable[i].SenThreErrLow = SK_SEN_FAN_LOW_ERR;
pAC->I2c.SenTable[i].SenReg = LM80_FAN2_IN;
}
else {
pAC->I2c.SenTable[i].SenDesc = "Voltage PHY 2V5";
pAC->I2c.SenTable[i].SenType = SK_SEN_VOLT;
pAC->I2c.SenTable[i].SenThreErrHigh = SK_SEN_PHY_2V5_HIGH_ERR;
pAC->I2c.SenTable[i].SenThreWarnHigh = SK_SEN_PHY_2V5_HIGH_WARN;
pAC->I2c.SenTable[i].SenThreWarnLow = SK_SEN_PHY_2V5_LOW_WARN;
pAC->I2c.SenTable[i].SenThreErrLow = SK_SEN_PHY_2V5_LOW_ERR;
pAC->I2c.SenTable[i].SenReg = LM80_VT6_IN;
}
break;
default:
SK_ERR_LOG(pAC, SK_ERRCL_INIT | SK_ERRCL_SW,
SKERR_I2C_E001, SKERR_I2C_E001MSG);
break;
}
pAC->I2c.SenTable[i].SenValue = 0;
pAC->I2c.SenTable[i].SenErrFlag = SK_SEN_ERR_OK;
pAC->I2c.SenTable[i].SenErrCts = 0;
pAC->I2c.SenTable[i].SenBegErrTS = 0;
pAC->I2c.SenTable[i].SenState = SK_SEN_IDLE;
pAC->I2c.SenTable[i].SenRead = SkLm80ReadSensor;
pAC->I2c.SenTable[i].SenDev = LM80_ADDR;
}
#ifndef SK_DIAG
pAC->I2c.DummyReads = pAC->I2c.MaxSens;
#endif /* !SK_DIAG */
/* Clear I2C IRQ */
SK_OUT32(IoC, B2_I2C_IRQ, I2C_CLR_IRQ);
/* Now we are I/O initialized */
pAC->I2c.InitLevel = SK_INIT_IO;
return(0);
} /* SkI2cInit1 */
